Home / 4,329.78-5,976.30-2,561.96

Finding the Fourth Proportional to 4,329.78, 5,976.30 and 2,561.96

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Solution

The fourth proportional to 4,329.78, 5,976.30 and 2,561.96 is: 3,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.78 : 5,976.30 = 2,561.96 : x
  2. Step 2: Convert to fraction form
    4,329.78/5,976.30 = 2,561.96/x
  3. Step 3: Cross multiply
    4,329.78x = 5,976.30 × 2,561.96
  4. Step 4: Simplify right side
    4,329.78x = 15,311,011.67
  5. Step 5: Solve for x
    x = 15,311,011.67/4,329.78
  6. Step 6: Final answer
    x = 3,536.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.